Cisco ASA and Cisco PIX Instant Messenger (IM) inspection engine denial of service
| cisco-asa-pix-im-dos (42837) |  Medium Risk |
Description:
Cisco ASA and Cisco PIX devices are vulnerable to a denial of service, caused by an error when the Instant Messenger (IM) inspection engine is enabled. A remote attacker could exploit this vulnerability using unknown attack vectors to cause a denial of service.
*CVSS:
| Base Score: | 4.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.2 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to cisco-sa-20080604-asa for patch, upgrade or suggested workaround information. See References.
References:
- cisco-sa-20080604-asa: Multiple Vulnerabilities in Cisco PIX and Cisco ASA.
- CVE-2008-2057: The Instant Messenger (IM) inspection engine in Cisco Adaptive Security Appliance (ASA) and Cisco PIX security appliance 7.2.x before 7.2(4), 8.0.x before 8.0(3)10, and 8.1.x before 8.1(1)2 allows remote attackers to cause a denial of service via a crafted packet.
- OSVDB ID: 46026: Cisco PIX / ASA Instant Messenger (IM) Inspection Engine Crafted Packet Remote DoS
- SA30552: Cisco ASA and PIX Security Appliances Multiple Vulnerabilities
- SECTRACK ID: 1020180: Cisco PIX Firewall Bug in IM Inspection Engine Lets Remote Users Deny Service
- SECTRACK ID: 1020181: Cisco ASA Bug in IM Inspection Engine Lets Remote Users Deny Service
- VUPEN/ADV-2008-1750: Cisco PIX and ASA Security Bypass and Denial of Service Vulnerabilities
Platforms Affected:
- Cisco Adaptive Security Appliance 7.1
- Cisco Adaptive Security Appliance 7.2
- Cisco Adaptive Security Appliance 8.0
- Cisco Adaptive Security Appliance 8.1
- Cisco PIX Security Appliance 7.1
- Cisco PIX Security Appliance 7.2
- Cisco PIX Security Appliance 8.0
Reported:
Jun 04, 2008
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.